02.12.2012 23:16:00 • Categories: Objective-C • Tags: UIImage, Objective-C
Objective-C: load/create UIImage from URL and resize
NSString* imageURL = [NSString stringWithFormat: @"http://theimageurl.com/?id=%@", [[resultsEntries objectAtIndex:0] objectForKey: @"image_large"]]; NSData* imageData = [[NSData alloc]initWithContentsOfURL:[NSURL URLWithString:imageURL]]; UIImage* image = [[UIImage alloc] initWithData:imageData];// resize image CGSize newSize = CGSizeMake(100, 100); UIGraphicsBeginImageContext( newSize );// a CGSize that has the size you want [image drawInRect:CGRectMake(0,0,newSize.width,newSize.height)];
//image is the original UIImage UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext();
imageHeight = image.size.height; [imageMain setImage:newImage]; [imageData release]; [image release];